apm_bios.h revision 49292
1/* 2 * APM (Advanced Power Management) BIOS Device Driver 3 * 4 * Copyright (c) 1994-1995 by HOSOKAWA, Tatsumi <hosokawa@mt.cs.keio.ac.jp> 5 * 6 * This software may be used, modified, copied, and distributed, in 7 * both source and binary form provided that the above copyright and 8 * these terms are retained. Under no circumstances is the author 9 * responsible for the proper functioning of this software, nor does 10 * the author assume any responsibility for damages incurred with its 11 * use. 12 * 13 * Aug, 1994 Implemented on FreeBSD 1.1.5.1R (Toshiba AVS001WD) 14 * 15 * $Id: apm_bios.h,v 1.24 1999/07/30 08:24:23 msmith Exp $ 16 */ 17 18#ifndef _MACHINE_APM_BIOS_H_ 19#define _MACHINE_APM_BIOS_H_ 20 21#ifndef KERNEL 22#include <sys/types.h> 23#endif 24#include <sys/ioccom.h> 25 26/* BIOS id */ 27#ifdef PC98 28#define APM_BIOS 0x9a 29#define APM_INT 0x1f 30#else 31#define APM_BIOS 0x53 32#define APM_INT 0x15 33#endif 34 35/* APM flags */ 36#define APM_16BIT_SUPPORT 0x01 37#define APM_32BIT_SUPPORT 0x02 38#define APM_CPUIDLE_SLOW 0x04 39#define APM_DISABLED 0x08 40#define APM_DISENGAGED 0x10 41 42/* APM initializer physical address */ 43#define APM_OURADDR 0x00080000 44 45/* APM functions */ 46#define APM_INSTCHECK 0x00 47#define APM_REALCONNECT 0x01 48#define APM_PROT16CONNECT 0x02 49#define APM_PROT32CONNECT 0x03 50#define APM_DISCONNECT 0x04 51#define APM_CPUIDLE 0x05 52#define APM_CPUBUSY 0x06 53#define APM_SETPWSTATE 0x07 54#define APM_ENABLEDISABLEPM 0x08 55#define APM_RESTOREDEFAULT 0x09 56#ifdef PC98 57#define APM_GETPWSTATUS 0x3a 58#else 59#define APM_GETPWSTATUS 0x0a 60#endif 61#define APM_GETPMEVENT 0x0b 62#define APM_GETPWSTATE 0x0c 63#define APM_ENABLEDISABLEDPM 0x0d 64#ifdef PC98 65#define APM_DRVVERSION 0x3e 66#else 67#define APM_DRVVERSION 0x0e 68#endif 69#define APM_ENGAGEDISENGAGEPM 0x0f 70#define APM_GETCAPABILITIES 0x10 71#define APM_RESUMETIMER 0x11 72#define APM_RESUMEONRING 0x12 73#define APM_TIMERREQUESTS 0x13 74#define APM_OEMFUNC 0x80 75 76/* error code */ 77#define APME_OK 0x00 78#define APME_PMDISABLED 0x01 79#define APME_REALESTABLISHED 0x02 80#define APME_NOTCONNECTED 0x03 81#define APME_PROT16ESTABLISHED 0x05 82#define APME_PROT16NOTSUPPORTED 0x06 83#define APME_PROT32ESTABLISHED 0x07 84#define APME_PROT32NOTDUPPORTED 0x08 85#define APME_UNKNOWNDEVICEID 0x09 86#define APME_OUTOFRANGE 0x0a 87#define APME_NOTENGAGED 0x0b 88#define APME_CANTENTERSTATE 0x60 89#define APME_NOPMEVENT 0x80 90#define APME_NOAPMPRESENT 0x86 91 92 93/* device code */ 94#define PMDV_APMBIOS 0x0000 95#define PMDV_ALLDEV 0x0001 96#define PMDV_DISP0 0x0100 97#define PMDV_DISP1 0x0101 98#define PMDV_2NDSTORAGE0 0x0200 99#define PMDV_2NDSTORAGE1 0x0201 100#define PMDV_2NDSTORAGE2 0x0202 101#define PMDV_2NDSTORAGE3 0x0203 102#define PMDV_PARALLEL0 0x0300 103#define PMDV_PARALLEL1 0x0301 104#define PMDV_SERIAL0 0x0400 105#define PMDV_SERIAL1 0x0401 106#define PMDV_SERIAL2 0x0402 107#define PMDV_SERIAL3 0x0403 108#define PMDV_SERIAL4 0x0404 109#define PMDV_SERIAL5 0x0405 110#define PMDV_SERIAL6 0x0406 111#define PMDV_SERIAL7 0x0407 112#define PMDV_NET0 0x0500 113#define PMDV_NET1 0x0501 114#define PMDV_NET2 0x0502 115#define PMDV_NET3 0x0503 116#define PMDV_PCMCIA0 0x0600 117#define PMDV_PCMCIA1 0x0601 118#define PMDV_PCMCIA2 0x0602 119#define PMDV_PCMCIA3 0x0603 120/* 0x0700 - 0xdfff Reserved */ 121/* 0xe000 - 0xefff OEM-defined power device IDs */ 122/* 0xf000 - 0xffff Reserved */ 123 124/* Power state */ 125#define PMST_APMENABLED 0x0000 126#define PMST_STANDBY 0x0001 127#define PMST_SUSPEND 0x0002 128#define PMST_OFF 0x0003 129#define PMST_LASTREQNOTIFY 0x0004 130#define PMST_LASTREQREJECT 0x0005 131/* 0x0006 - 0x001f Reserved system states */ 132/* 0x0020 - 0x003f OEM-defined system states */ 133/* 0x0040 - 0x007f OEM-defined device states */ 134/* 0x0080 - 0xffff Reserved device states */ 135 136#if !defined(ASSEMBLER) && !defined(INITIALIZER) 137 138/* C definitions */ 139struct apmhook { 140 struct apmhook *ah_next; 141 int (*ah_fun) __P((void *ah_arg)); 142 void *ah_arg; 143 const char *ah_name; 144 int ah_order; 145}; 146#define APM_HOOK_NONE (-1) 147#define APM_HOOK_SUSPEND 0 148#define APM_HOOK_RESUME 1 149#define NAPM_HOOK 2 150 151#ifdef KERNEL 152 153void apm_suspend(int state); 154struct apmhook *apm_hook_establish (int apmh, struct apmhook *); 155void apm_hook_disestablish (int apmh, struct apmhook *); 156void apm_cpu_idle(void); 157void apm_cpu_busy(void); 158 159#endif /* KERNEL */ 160 161#endif /* !ASSEMBLER && !INITIALIZER */ 162 163#define APM_MIN_ORDER 0x00 164#define APM_MID_ORDER 0x80 165#define APM_MAX_ORDER 0xff 166 167/* power management event code */ 168#define PMEV_NOEVENT 0x0000 169#define PMEV_STANDBYREQ 0x0001 170#define PMEV_SUSPENDREQ 0x0002 171#define PMEV_NORMRESUME 0x0003 172#define PMEV_CRITRESUME 0x0004 173#define PMEV_BATTERYLOW 0x0005 174#define PMEV_POWERSTATECHANGE 0x0006 175#define PMEV_UPDATETIME 0x0007 176#define PMEV_CRITSUSPEND 0x0008 177#define PMEV_USERSTANDBYREQ 0x0009 178#define PMEV_USERSUSPENDREQ 0x000a 179#define PMEV_STANDBYRESUME 0x000b 180#define PMEV_CAPABILITIESCHANGE 0x000c 181/* 0x000d - 0x00ff Reserved system events */ 182/* 0x0100 - 0x01ff Reserved device events */ 183/* 0x0200 - 0x02ff OEM-defined APM events */ 184/* 0x0300 - 0xffff Reserved */ 185#define PMEV_DEFAULT 0xffffffff /* used for customization */ 186 187#if !defined(ASSEMBLER) && !defined(INITIALIZER) 188 189/* 190 * Old apm_info structure, returned by the APMIO_GETINFO_OLD ioctl. This 191 * is for backward compatibility with old executables. 192 */ 193typedef struct apm_info_old { 194 u_int ai_major; /* APM major version */ 195 u_int ai_minor; /* APM minor version */ 196 u_int ai_acline; /* AC line status */ 197 u_int ai_batt_stat; /* Battery status */ 198 u_int ai_batt_life; /* Remaining battery life */ 199 u_int ai_status; /* Status of APM support (enabled/disabled) */ 200} *apm_info_old_t; 201 202/* 203 * Structure returned by the APMIO_GETINFO ioctl. 204 * 205 * In the comments below, the parenthesized numbers indicate the minimum 206 * value of ai_infoversion for which each field is valid. 207 */ 208typedef struct apm_info { 209 u_int ai_infoversion; /* Indicates which fields are valid */ 210 u_int ai_major; /* APM major version (0) */ 211 u_int ai_minor; /* APM minor version (0) */ 212 u_int ai_acline; /* AC line status (0) */ 213 u_int ai_batt_stat; /* Battery status (0) */ 214 u_int ai_batt_life; /* Remaining battery life in percent (0) */ 215 int ai_batt_time; /* Remaining battery time in seconds (0) */ 216 u_int ai_status; /* True if enabled (0) */ 217 u_int ai_batteries; /* Number of batteries (1) */ 218 u_int ai_capabilities;/* APM Capabilities (1) */ 219 u_int ai_spare[6]; /* For future expansion */ 220} *apm_info_t; 221 222struct apm_bios_arg { 223 u_long eax; 224 u_long ebx; 225 u_long ecx; 226 u_long edx; 227 u_long esi; 228 u_long edi; 229}; 230 231struct apm_event_info { 232 u_int type; 233 u_int index; 234 u_int spare[8]; 235}; 236 237#define APMIO_SUSPEND _IO('P', 1) 238#define APMIO_GETINFO_OLD _IOR('P', 2, struct apm_info_old) 239#define APMIO_ENABLE _IO('P', 5) 240#define APMIO_DISABLE _IO('P', 6) 241#define APMIO_HALTCPU _IO('P', 7) 242#define APMIO_NOTHALTCPU _IO('P', 8) 243#define APMIO_DISPLAY _IOW('P', 9, int) 244#define APMIO_BIOS _IOWR('P', 10, struct apm_bios_arg) 245#define APMIO_GETINFO _IOR('P', 11, struct apm_info) 246#define APMIO_STANDBY _IO('P', 12) 247/* for /dev/apmctl */ 248#define APMIO_NEXTEVENT _IOR('A', 100, struct apm_event_info) 249#define APMIO_REJECTLASTREQ _IO('P', 101) 250 251#endif /* !ASSEMBLER && !INITIALIZER */ 252 253#endif /* !_MACHINE_APM_BIOS_H_ */ 254